Home / 2,005,994.40-2,767,545.76-1,318,036.78

Finding the Fourth Proportional to 2,005,994.40, 2,767,545.76 and 1,318,036.78

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Solution

The fourth proportional to 2,005,994.40, 2,767,545.76 and 1,318,036.78 is: 1,818,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,994.40 : 2,767,545.76 = 1,318,036.78 : x
  2. Step 2: Convert to fraction form
    2,005,994.40/2,767,545.76 = 1,318,036.78/x
  3. Step 3: Cross multiply
    2,005,994.40x = 2,767,545.76 × 1,318,036.78
  4. Step 4: Simplify right side
    2,005,994.40x = 3,647,727,102,013.05
  5. Step 5: Solve for x
    x = 3,647,727,102,013.05/2,005,994.40
  6. Step 6: Final answer
    x = 1,818,413.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.